Liability Related to the Sale of Future Royalties (Tables)

12 Months Ended

Dec. 31, 2021

Nonmonetary Transactions [Abstract]

Schedule of Liability Due to Non-Cash Transaction

The following table shows the activity with respect to the liability related to the sale of future royalties during the year ended December 31, 2021:

(in thousands)
Carrying value of liability related to the sale of future royalties at January 1, 2021	$	58,235
Amortization of capitalized issuance costs	61
Imputed interest expense recognized for the year ended December 31, 2021	4,411
Less: payments to Oberland Capital, LLC	(8,909)
Carrying value of liability related to the sale of future royalties at December 31, 2021	53,798

The following table shows the activity with respect to the liability related to the sale of future royalties during the year ended December 31, 2020:

(in thousands)
Carrying value of liability related to the sale of future royalties at January 1, 2020	$	62,477
Amortization of capitalized issuance costs	61
Imputed interest expense recognized for the year ended December 31, 2020	5,034
Less: payments to Oberland Capital, LLC	(9,337)
Carrying value of liability related to the sale of future royalties at December 31, 2020	$	58,235